"Our collaboration with WISeKey is a great example of how payments functionality can deliver more value for a variety of device manufacturers, and create safe and convenient shopping experiences for their consumers," said Sherri Haymond, senior vice president, Digital Payments and Labs, MasterCard.

"Together, we are using our collective innovative technology and expertise to transform the way people pay for things."

Contactless wearable payments has exploded since last year's MWC, with Samsung also announcing a wider expansion of its own payment system. And it seems the classic Swiss watch world could take tentative first into the world of wearables by integrating payments.